<?php

/**
 * Project:     Smarty: the PHP compiling template engine
 * File:        smarty_internal_wrapper.php
 * SVN:         $Id: $
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For questions, help, comments, discussion, etc., please join the
 * Smarty mailing list. Send a blank e-mail to
 * smarty-discussion-subscribe@googlegroups.com
 *
 * @link http://www.smarty.net/
 * @copyright 2008 New Digital Group, Inc.
 * @author Monte Ohrt <monte at ohrt dot com>
 * @author Uwe Tews
 * @package Smarty
 * @subpackage PluginsInternal
 * @version 3-SVN$Rev: 3286 $
 */

/*
 * Smarty Backward Compatability Wrapper
 */

class Smarty_Internal_Wrapper {
	
	protected $smarty;
	
	function __construct($smarty) {
		$this->smarty = $smarty;
	}
	
	/**
	 * Converts smarty2-style function call to smarty 3-style function call
	 * This is expensive, be sure to port your code to Smarty 3!
	 *
	 * @param string $name Smarty 2 function name
	 * @param array $args Smarty 2 function args
	 */
	function convert($name, $args) {
		// throw notice about deprecated function
		if ($this->smarty->deprecation_notices)
			trigger_error ( "function call '$name' is unknown or deprecated.", E_USER_NOTICE );
		
		// get first and last part of function name
		$name_parts = explode ( '_', $name, 2 );
		switch ($name_parts [0]) {
			case 'register' :
			case 'unregister' :
				switch ($name_parts [1]) {
					case 'object' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Object" ), $args );
					case 'compiler_function' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Plugin" ), array_merge ( array ('compiler' ), $args ) );
					case 'prefilter' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Filter" ), array_merge ( array ('pre' ), $args ) );
					case 'postfilter' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Filter" ), array_merge ( array ('post' ), $args ) );
					case 'outputfilter' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Filter" ), array_merge ( array ('output' ), $args ) );
					case 'resource' :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Resource" ), $args );
					default :
						return call_user_func_array ( array ($this->smarty, "{$name_parts[0]}Plugin" ), array_merge ( array ($name_parts [1] ), $args ) );
				}
			case 'get' :
				switch ($name_parts [1]) {
					case 'template_vars' :
						return call_user_func_array ( array ($this->smarty, 'getTemplateVars' ), $args );
					case 'config_vars' :
						return call_user_func_array ( array ($this->smarty, 'getConfigVars' ), $args );
					default :
						return call_user_func_array ( array ($myobj, $name_parts [1] ), $args );
				}
			case 'clear' :
				switch ($name_parts [1]) {
					case 'all_assign' :
						return call_user_func_array ( array ($this->smarty, 'clearAllAssign' ), $args );
					case 'assign' :
						return call_user_func_array ( array ($this->smarty, 'clearAssign' ), $args );
					case 'all_cache' :
						return call_user_func_array ( array ($this->smarty, 'clearAllCache' ), $args );
					case 'cache' :
						return call_user_func_array ( array ($this->smarty, 'clearCache' ), $args );
					case 'compiled_template' :
						return call_user_func_array ( array ($this->smarty, 'clearCompiledTemplate' ), $args );
				}
			case 'config' :
				switch ($name_parts [1]) {
					case 'load' :
						return call_user_func_array ( array ($this->smarty, 'configLoad' ), $args );
				}
			case 'trigger' :
				switch ($name_parts [1]) {
					case 'error' :
						return call_user_func_array ( 'trigger_error', $args );
				}
			case 'load' :
				switch ($name_parts [1]) {
					case 'filter' :
						return call_user_func_array ( array ($this->smarty, 'loadFilter' ), $args );
				}
		}
		throw new SmartyException ( "unknown method '$name'" );
	}
	
	/**
	 * trigger Smarty error
	 *
	 * @param string $error_msg
	 * @param integer $error_type
	 */
	function trigger_error($error_msg, $error_type = E_USER_WARNING) {
		trigger_error ( "Smarty error: $error_msg", $error_type );
	}
}
?>